Tennessee Valley Authority

The OIG audited TVA's invoice approval process to (1) assess TVA's policies and procedures related to the review and approval of invoices, (2) determine compliance with applicable policies and procedures, and (3) determine if TVA's invoice approvers have adequate information, including clear...

At the request of TVA Supply Chain, the OIG audited the costs billed to TVA by Hayward Baker, Inc. (HBI), for remediation work performed at Blue Ridge Hydro Dam under Contract No. 6902. Our objective was to determine if the costs billed were in accordance with the contract terms and conditions. The...

Nuclear Power Group (NPG) Business Practice (BP) 247, Revision 9, Emerging Regulatory Issues Management Process, "establishes a process to identify, categorize, manage, monitor and provide statuses to senior management on issues that may have regulatory impacts on Nuclear Power Group (NPG) or NPG...

The OIG evaluated the efficiency of TVA's hiring process from when the need to hire an annual employee was identified until the position was filled. We determined the process was inefficient due to the following: (1) a lack of training in (a) the use of the People Lifecycle Unified System (PLUS) to...

The OIG audited electronic communications by the TVA Board of Directors. The objective was to evaluate controls over the electronic distribution of TVA business information to and from the Board by non-TVA managed mediums. We determined current Board email practices were consistent with the...

Fires in substations can severely impact the supply of power to customers and the utility company's revenue and assets. These fires can also create a fire hazard to utility personnel, emergency personnel, and the general public. There are 14 sites managed by Transmission that have fire protection...

Due to TVA aging equipment and the risk parts would be unavailable, the OIG scheduled a review of Hydro Generation obsolete equipment. The objective of our review was to determine if Hydro Generation was effectively managing obsolete equipment. During our review, we found Hydro Generation could more...

In response to increasing workplace violence occurring throughout the country and weaknesses identified in a previous OIG evaluation, 2012-14636 - Master Key Program Management - Property and Natural Resources, the OIG initiated a review of TVA firearms and ammunition. The objective of our review...

This review was initiated to assess recent efforts by the TVA Nuclear Power Group (NPG) to improve outage performance. The objective of the OIG's review was to determine whether the initiatives implemented by the NPG to improve outage performance achieved planned results and current improvement...

The likelihood of fire is lower at hydro plants than at coal plants, but hydro plants are not without fire risk. Hydroelectric stations share many of the same fire hazards as coal plants, such as oil-filled transformers, electrical cables and switchgear, air-cooled generators, and large quantities...